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Methanol toxicity (also methanol poisoning) is poisoning from methanol, characteristically via ingestion. [1] Symptoms may include an altered/decreased level of consciousness, poor or no coordination, vomiting, abdominal pain, and a specific smell on the breath. [1] [2] Decreased vision may start as early as twelve hours after exposure. [2]
If as little as 10 ml of pure methanol is ingested, for example, it can break down into formic acid, which can cause permanent blindness by destruction of the optic nerve, and 30 ml is potentially fatal, [2] although the median lethal dose is typically 100 ml (3.4 fl oz) (i.e. 1–2 ml/kg body weight) of pure methanol. [3]
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Female inhalant users who are pregnant may have adverse effects on the fetus, and the baby may be smaller when it is born and may need additional health care (similar to those seen with alcohol – fetal alcohol syndrome). There is some evidence of birth defects and disabilities in babies born to women who sniffed solvents such as gasoline.
Methanol and its vapours are flammable. Moderately toxic for small animals – Highly toxic to large animals and humans (in high concentrations) – May be fatal/lethal or cause blindness and damage to the liver, kidneys, and heart if swallowed – Toxicity effects from repeated over exposure have an accumulative effect on the central nervous system, especially the optic nerve – Symptoms may ...
First non-gaseous inhalational anaesthetics such as ether and chloroform were inhaled from a handkerchief which the liquid was poured on and allowed to evaporate. Concerns about the dosage of chloroform lead to development of various inhalers.
The term immediately dangerous to life or health (IDLH) is defined by the US National Institute for Occupational Safety and Health (NIOSH) as exposure to airborne contaminants that is "likely to cause death or immediate or delayed permanent adverse health effects or prevent escape from such an environment." Examples include smoke or other ...
Levomethamphetamine (Vicks Vapor Inhaler) Propylhexedrine (Benzedrex) Miscellaneous. Aromatic ammonia; ... This page was last edited on 24 March 2024, ...